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Finding the Fourth Proportional to 45,950.32, 68,914.08 and 12,668.92

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Solution

The fourth proportional to 45,950.32, 68,914.08 and 12,668.92 is: 19,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,950.32 : 68,914.08 = 12,668.92 : x
  2. Step 2: Convert to fraction form
    45,950.32/68,914.08 = 12,668.92/x
  3. Step 3: Cross multiply
    45,950.32x = 68,914.08 × 12,668.92
  4. Step 4: Simplify right side
    45,950.32x = 873,066,966.39
  5. Step 5: Solve for x
    x = 873,066,966.39/45,950.32
  6. Step 6: Final answer
    x = 19,000.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.